PETSc version 3.17.3
MatLMVMSetHistorySize
Set the number of past iterates to be stored for the construction of the limited-memory QN update.
Synopsis
#include "petscksp.h"
PetscErrorCode MatLMVMSetHistorySize(Mat B, PetscInt hist_size)
Input Parameters
| B | - An LMVM-type matrix
|
| hist_size | - number of past iterates (default 5)
|
Options Database
| -mat_lmvm_hist_size <m> | - set number of past iterates
|
See Also
MatLMVMGetUpdateCount()
Level
beginner
Location
src/ksp/ksp/utils/lmvm/lmvmutils.c
Index of all KSP routines
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Index of all manual pages